A member asked:

I have left upper back discomfort mainly when laying down, as i'm breathing in, non-smoker, no cough. i feel as if something were touching my back wor

A doctor has provided 1 answer

Several possible: this could be several things from pleurisy which is irritation/inflammation of the lung lining, to pneumonia, muscle strain, broken rib, or even a blood clot in the lung.

Answered 2/26/2015

3.2k views

Thank

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